Gravity Change After the First Water Impoundment in the Three-Gorges Reservoir, China

被引：0
|
作者：
Sun, S. [1 ]
Xiang, A. [1 ]
Shen, C. [1 ]
Zhu, P. [2 ]
Chao, B. F. [3 ,4 ]
机构：
[1] CEA, Inst Seismol, Wuhan 430071, Peoples R China
[2] Observ Royal Belgique, Uccle, Belgium
[3] Natl Cent Univ, Coll Earth Sci, Taoyuan, Taiwan
[4] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
来源：
VI HOTINE-MARUSSI SYMPOSIUM ON THEORETICAL AND COMPUTATIONAL GEODESY | 2008年 / 132卷
关键词：
The Three-Gorges reservoir; the first water impoundment; gravity change;
D O I：
暂无
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
This paper presents the high-precision gravity survey for the gravity changes resulting from the water load. crustal deformation and underground water level change, before and after the first (2003) water impoundment of the Three-Gorges Reservoir. We find: (i) Close to the darn, the gravity effect is the most prominent with maximum of about 200 mu gal. The gravity effect of the crustal deformation does exist. but is localized to within a few km. Gravity change resulting from underground water level change, and the impact of rainfall should not be neglected. (ii) In the area around the reservoir, the maximum gravity change is near XiangXi. Monitoring, the variation of gravity and further study of various relevant data should continue in the future.
引用
收藏
页码：56 / +
页数：3
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